1867 Six Hundred Receipts by John Marquart

600 MISCELLANEOUS VALUABLE RECEIPTS.

254

common salt, and an equal quantity of calcined tartar, and as much of bell-metal, with 3 ounces of antimony. Pound well all together, and sift it. Put this into a piece of linen, and enclose it well all round with fullers' earth about an inch thick. Let it drj^, then put it between two crucibles over a slow fire, to get heat by degrees. Push on the fire till the lump becomes red-hot, and melted all together let the whole cool gradually, and pound it into powder. "When you want to solder any thing, put the two pieces you want to join on a table, approach- ing their extremities as near as you can to one another, making a crust of fullers' earth, so that holding to each piece and passing under the joint, it should open over it on the top ; then throw some of your powder between and over the joint. Have some borax, which put into hot spirits of wine till it is consumed, and with a feather rub your powder at the joint: you will see it immediately boil. As soon as the boiling stops, the consolidation is made. If there be any roughness, grind it ofi:'on a stone.

No. 567.

Mild Ajyerieni for Files.

Take of precipitated sulphur 15 grains, magnesia 1 scruple. Mix. To be taken daily at bedtime, in a glass of milk or of water.